【正文】
ation in 2c. (2) Say some sentences using Did you...? and the answers Yes, I did./ No, I didn39。t. (3) Ask students to make similar dialogs in pairs. (4) Call on different pairs to read out their conversations to the class. Four (Groupwork): A debate (1) Show students a survey that the teacher did before the class. (2) Get them to discuss their hairstyles in the past and now like this: I used to have ... hair, but now I